Linage is given in paid ad pages. (X) represents the number of times published each year;
publications are monthly unless otherwise specified. Sectional linage is prorated to circulation of regional editions. A. Figures do not reflect comparable number of issues. B. Incomplete
report, not included in group total and percentage change. C. Figures suppled by Publishers
Information Bureau. D. New magazine, comparable results not available; not included in total group and percentage change. E. Current time periods include a special issue